1. What type of triangle is Δ ABC, where ∠A = 134°, ∠B = 15° and ∠C = 31°?   Acute   Right   Obtuse   Hint Half-n-half Clue   2. In a right triangle, what is the side opposite to the right angle called?   Hypotenuse   Altitude   Leg   Half-n-half Clue   3. What is a triangle that contains no right angle called?   Oblique   Right   Opaque   Half-n-half Clue   4. Which triangle has all three angles less than 90°?   Acute   Right   Obtuse   Half-n-half Clue   5. What type of triangle is Δ ABC, where ∠A = ∠B = ∠C = 60°?   Equilateral   Isosceles   Scalene   Half-n-half Clue   6. Which triangle has all three sides equal in length?   Equilateral   Isosceles   Scalene   Half-n-half Clue   7. Which triangle has an angle greater than 90°?   Acute   Right   Obtuse   Half-n-half Clue